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    • 1. 发明申请
    • GAS-FIRED TUNNEL OVEN
    • 燃气隧道炉
    • WO2008147309A1
    • 2008-12-04
    • PCT/SE2008/050593
    • 2008-05-21
    • SVEBA-DAHLÉN ABJOHANSSON, Jan-Olof
    • JOHANSSON, Jan-Olof
    • A21B1/28A47J37/04
    • A21B1/145A21B1/10A21B1/48
    • An indirectly heated, gas-fired tunnel oven has upper and lower heating sections (102, 104) with upper and lower heating means (116) defining a baking chamber between them. Each heating section (102, 104) has an associated gas-fired burner (106) arranged to provide heated gases to each heating means (116) through ducts (112). At least one section (102, 104) comprises a fan (120) arranged downstream at least one heating means (116), which fan is arranged to drive a flow of heated gases through at least one section (102, 104) and a duct (122) arranged to recirculate gases from the fan to a location upstream the heating means (116).
    • 间接加热的燃气通风炉具有上部和下部加热部分(102,104),上部和下部加热装置(116)在它们之间限定了烘烤室。 每个加热部分(102,104)具有关联的燃气燃烧器(106),其布置成通过管道(112)向每个加热装置(116)提供加热的气体。 至少一个部分(102,104)包括布置在至少一个加热装置(116)下游的风扇(120),所述风扇布置成驱动经过至少一个部分(102,104)和管道 (122),布置成使气体从风扇再循环到加热装置(116)上游的位置。